biden campaigning here in the state of ohio. and then some big name entertainers all across the battleground states over the next few days. katy perry, bruce springsteen, the dave matthews band, stevie wonder, will.i.am, all of them getting audiences fired up for the president's message. >> and certainly leaning, as you mentioned, on bill clinton. how much weight does he carry for the president? >> i think bill clinton certainly still is considered a big surrogate for the president. it's been pointed out by the campaign that no one can better narrow down and crystallize the president's message than former president bill clinton, and so they consider him a very powerful weapon. he's also a big draw when he's out there on the campaign trail, he can pull in a lot of supporters. they also believe he could appeal to those yet undecided voters, if there are any of them out there still. they believe that he has a way of sort of boiling down the message that can appeal to them. >> dan lothian, thank you, dan. appreciate that. the presid